Exodus 12:40 in the King James Version
Now the sojourning of the children of Israel, who dwelt in Egypt, was four hundred and thirty years.
Context
39 They baked unleavened cakes of the dough which they brought out of Egypt; for it wasn’t leavened, because they were thrust out of Egypt, and couldn’t wait, and they had not prepared any food for themselves.
40 Now the time that the children of Israel lived in Egypt was four hundred thirty years.
41 At the end of four hundred thirty years, to the day, all of the LORD’s armies went out from the land of Egypt.